Why is it more than thirty at night?

 

I need more information to understand what you mean by "more than thirty at night." Here are some possible interpretations:

• Temperature: Are you wondering why the temperature is more than 30 degrees Celsius or Fahrenheit at night? If so, I need to know your location and the specific night you're referring to. Nighttime temperatures vary widely depending on location, season, and weather patterns.
• Age: Are you asking why someone or something is more than 30 years old at night? There's no inherent connection between age and the time of day, so further context would be helpful.
• Other: If you have another meaning in mind, please be more specific so I can provide a relevant answer.

By providing additional details, I can better understand your question and give you a helpful and accurate response.